FR2322499B1 - - Google Patents

Info

Publication number
FR2322499B1
FR2322499B1 FR7626051A FR7626051A FR2322499B1 FR 2322499 B1 FR2322499 B1 FR 2322499B1 FR 7626051 A FR7626051 A FR 7626051A FR 7626051 A FR7626051 A FR 7626051A FR 2322499 B1 FR2322499 B1 FR 2322499B1
Authority
FR
France
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR7626051A
Other languages
French (fr)
Other versions
FR2322499A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP50104445A external-priority patent/JPS5826691B2/ja
Priority claimed from JP10455675A external-priority patent/JPS5810889B2/ja
Application filed by Sony Corp filed Critical Sony Corp
Publication of FR2322499A1 publication Critical patent/FR2322499A1/fr
Application granted granted Critical
Publication of FR2322499B1 publication Critical patent/FR2322499B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
    • H03J7/06—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant using counters or frequency dividers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
    • H03J5/0245—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form
    • H03J5/0254—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being transfered to a D/A converter
    • H03J5/0263—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being transfered to a D/A converter the digital values being held in an auxiliary non erasable memory

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
FR7626051A 1975-08-28 1976-08-27 Selecteur de canaux a accord automatique pour recepteur de television Granted FR2322499A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP50104445A JPS5826691B2 (ja) 1975-08-28 1975-08-28 センキヨクソウチ
JP10455675A JPS5810889B2 (ja) 1975-08-29 1975-08-29 センキヨクソウチ

Publications (2)

Publication Number Publication Date
FR2322499A1 FR2322499A1 (fr) 1977-03-25
FR2322499B1 true FR2322499B1 (xx) 1982-10-08

Family

ID=26444918

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7626051A Granted FR2322499A1 (fr) 1975-08-28 1976-08-27 Selecteur de canaux a accord automatique pour recepteur de television

Country Status (7)

Country Link
US (1) US4085371A (xx)
AU (1) AU499612B2 (xx)
CA (1) CA1059666A (xx)
DE (1) DE2638818C2 (xx)
FR (1) FR2322499A1 (xx)
GB (1) GB1518712A (xx)
NL (1) NL187833C (xx)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1047373B (it) * 1975-10-16 1980-09-10 Indesit Disposizione per selezionare una frequenza ricevibile in un ricevitore di segnali
JPS5826693B2 (ja) * 1975-11-22 1983-06-04 ソニー株式会社 センキヨクソウチ
JPS5810015B2 (ja) * 1975-12-24 1983-02-23 ソニー株式会社 センキヨクソウチ
JPS5946129B2 (ja) * 1976-04-05 1984-11-10 ソニー株式会社 選局装置
JPS588771B2 (ja) * 1977-01-25 1983-02-17 三洋電機株式会社 プリセツトチユ−ナ
DE2720170C2 (de) * 1977-05-05 1982-05-13 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Abstimmschaltung für Hochfrequenz- Empfangsgeräte mit Restseitenbandmodulation, insbesondere für Fernsehempfänger
JPS5421804A (en) * 1977-07-20 1979-02-19 Pioneer Electronic Corp Device for combining recorder*reproducer and electronic tuning receiver
JPS6011852B2 (ja) * 1977-09-28 1985-03-28 ソニー株式会社 受信機
US4264976A (en) * 1978-03-17 1981-04-28 Sanyo Electric Co., Ltd. Tuning control apparatus for digital tuner
US4227186A (en) * 1978-03-20 1980-10-07 Rca Corporation Self-stabilizing analog to digital converter useful in phase locked loop tuning systems
JPS6057768B2 (ja) * 1978-04-21 1985-12-17 株式会社東芝 電子選局装置
JPS5522225A (en) * 1978-07-29 1980-02-16 Sony Corp Memory scan device
JPS5534507A (en) * 1978-09-01 1980-03-11 Hitachi Ltd Electronic tuning television picture receiver
US4476584A (en) * 1979-02-08 1984-10-09 Jerrold Electronics Corporation Digital frequency lock tuning system
FR2452219A1 (fr) * 1979-03-21 1980-10-17 Labo Electronique Physique Circuit d'accord et de controle automatique de frequence pour etage de reception de television a haute frequence
US4355412A (en) * 1979-04-10 1982-10-19 Nissan Motor Company, Limited Preset station selecting device in a radio receiver
US4748684A (en) * 1986-06-03 1988-05-31 Information Resources, Inc. Fast tuning control for a television system
EP0273031B1 (en) * 1986-06-03 1993-10-13 Information Resources, Inc. Characterized fast tuning control for a television system
DE3735011A1 (de) * 1987-10-16 1989-04-27 Philips Patentverwaltung Schaltungsanordnung zur temperaturkompensation
IT1261748B (it) * 1993-01-22 1996-06-03 Edico Srl Metodo di sintonizzazione e memorizzazione compatibile di una pluralita' di ricevitori di segnali televisivi.
GB0126219D0 (en) * 2001-11-01 2002-01-02 Koninkl Philips Electronics Nv Tunable filter
US20060063503A1 (en) * 2002-06-17 2006-03-23 Koninklikle Phillips Electronics Nv Receiver and tuner with electronically tuned filter

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1558504A (xx) * 1968-01-03 1969-02-28
US3603977A (en) * 1969-06-19 1971-09-07 Westinghouse Electric Corp Digital-to-analog converter utilizing pulse duration modulation
US3675130A (en) * 1970-09-18 1972-07-04 Int Standard Electric Corp A circuit arrangement for effecting a tuning of a transceiver by means of a mangetic core memory
DE2206294C3 (de) * 1972-02-10 1978-04-06 Deutsche Itt Industries Gmbh, 7800 Freiburg Verfahren zum Einstellen bzw. Einschalten von Kanälen, Helligkeit, Lautstärke usw. in Fernsehempfängern
US3810022A (en) * 1972-07-21 1974-05-07 Zenith Radio Corp Digital to analog converter television tuning of varactor tuners
JPS5325721B2 (xx) * 1973-11-07 1978-07-28
US3928808A (en) * 1974-01-18 1975-12-23 Rca Corp Analog voltage generators for television tuners
US3968440A (en) * 1974-09-25 1976-07-06 Texas Instruments Incorporated Solid state television channel selection system
GB1521899A (en) * 1974-09-25 1978-08-16 Texas Instruments Inc Television channel number display circuit

Also Published As

Publication number Publication date
NL187833C (nl) 1992-01-16
US4085371A (en) 1978-04-18
NL7609590A (nl) 1977-03-02
AU499612B2 (en) 1979-04-26
FR2322499A1 (fr) 1977-03-25
DE2638818C2 (de) 1987-04-30
GB1518712A (en) 1978-07-26
NL187833B (nl) 1991-08-16
AU1727576A (en) 1978-03-09
DE2638818A1 (de) 1977-03-10
CA1059666A (en) 1979-07-31

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Legal Events

Date Code Title Description
ST Notification of lapse